CVE-2017-11194 : Exploit Details and Defense Strategies
Learn about CVE-2017-11194, a vulnerability in Pulse Connect Secure 8.3R1 allowing Reflected XSS attacks. Find out the impact, affected systems, exploitation details, and mitigation steps.
A vulnerability in the adminservercacertdetails.cgi module of Pulse Connect Secure 8.3R1 allows for a Reflected XSS attack, enabling attackers to execute commands on the system.
Understanding CVE-2017-11194
This CVE involves a security flaw in Pulse Connect Secure 8.3R1 that can be exploited for a Reflected XSS attack.
What is CVE-2017-11194?
The vulnerability lies in the adminservercacertdetails.cgi module of Pulse Connect Secure 8.3R1, where the certid parameter is not properly sanitized, allowing attackers to inject malicious tags into the application's response.
The Impact of CVE-2017-11194
Exploiting this vulnerability enables attackers to craft payloads that execute commands like ping, ping6, traceroute, nslookup, arp, and others on the system, potentially leading to unauthorized access or disruption.
Technical Details of CVE-2017-11194
This section provides more technical insights into the vulnerability.
Vulnerability Description
The certid parameter in the adminservercacertdetails.cgi module of Pulse Connect Secure 8.3R1 is vulnerable to Reflected XSS, as it lacks proper sanitization, allowing for malicious tag injection.
Affected Systems and Versions
- Product: Pulse Connect Secure 8.3R1
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting crafted payloads via the certid parameter, enabling the execution of various system commands.
Mitigation and Prevention
Protecting systems from CVE-2017-11194 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor promptly.
- Monitor and filter input to the certid parameter to prevent malicious injections.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Educate users and administrators on secure coding practices and the risks of XSS attacks.
Patching and Updates
Regularly check for security advisories from Pulse Secure and apply patches or updates to mitigate the vulnerability effectively.